MST12C02 SMD Toggle Slide Switch

MST12C02 SMD Toggle Slide Switch is a compact surface-mount device (SMD) switch used for signal control, mode selection, or circuit activation in compact electronic assemblies. Its small footprint and robust construction make it suitable for applications where space-saving and reliable switching is required, such as consumer electronics, IoT devices, and handheld equipment.

Key Features:

• Compact SMD Design: Saves space on high-density PCBs.
• Two-Position Slide Action: Offers ON-ON or ON-OFF control.
• Low Profile: Ideal for thin enclosures and portable electronics.
• Reliable Mechanical Operation: Durable plastic housing and metal actuator.
• RoHS Compliant: Environmentally safe and lead-free design.

Technical Specifications:

• Contact Rating: 0.3A at 6V DC
• Contact Resistance: ≤ 100mΩ
• Insulation Resistance: ≥ 100MΩ at 500V DC
• Dielectric Strength: 500V AC for 1 minute
• Operating Force: 200 ± 50gf
• Mechanical Life: ≥ 10,000 cycles
• Switch Type: SPDT (Single Pole Double Throw)

Mechanical Specifications:

• Package Type: SMD (Surface Mount Device)
• Body Size: Approx. 8.5mm × 3mm × 2.5mm
• Actuator Style: Side slide with center position
• Housing Material: Thermoplastic resin
• Terminal Type: Flat SMD pads, tin-plated

Mounting Options:

• Reflow Soldering Compatible: Suitable for SMT automated assembly.
• PCB Placement: Designed for edge-mounted or surface-top locations.

Schematic Diagram, Connection, Wiring and Pinout:

• Pin Configuration: Three terminals – Common, Normally Open (NO), Normally Closed (NC)
• Connection: Connect center pin to common signal, side pins to ON/OFF positions
• Wiring: Ensure solder paste alignment for accurate placement

Datasheet and Documentation:

• Download MST12C02 SMD Slide Switch Datasheet (PDF)

Applications:

• Consumer Electronics: Used in headphones, remotes, and MP3 players.
• Wearables and IoT Devices: Ideal for control toggling in compact form factors.
• Test Equipment: Mode selectors in development boards and measuring tools.
• Toys and Gadgets: On/off switching in battery-operated toys and controllers.
• Medical Instruments: Provides reliable user control in portable devices.

Equivalent Models:

• SSSS213200: ALPS surface-mount slide switch with similar rating
• K3A Series: Similar low-profile SMD slide switch by C&K
• TSK-1A-F: Compact SMT switch from Top-Up manufacturer

Package Includes:

• 1 x MST12C02 SMD Toggle Slide Switch